Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / sound / seq_virmidi.h

diff --git a/kernel/include/sound/seq_virmidi.h b/kernel/include/sound/seq_virmidi.h
new file mode 100644 (file)
index 0000000..a03acd0
--- /dev/null
+++ b/kernel/include/sound/seq_virmidi.h
@@ -0,0 +1,81 @@
+#ifndef __SOUND_SEQ_VIRMIDI_H
+#define __SOUND_SEQ_VIRMIDI_H
+
+/*
+ *  Virtual Raw MIDI client on Sequencer
+ *  Copyright (c) 2000 by Takashi Iwai <tiwai@suse.de>,
+ *                        Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#include <sound/rawmidi.h>
+#include <sound/seq_midi_event.h>
+
+/*
+ * device file instance:
+ * This instance is created at each time the midi device file is
+ * opened.  Each instance has its own input buffer and MIDI parser
+ * (buffer), and is associated with the device instance.
+ */
+struct snd_virmidi {
+       struct list_head list;
+       int seq_mode;
+       int client;
+       int port;
+       unsigned int trigger: 1;
+       struct snd_midi_event *parser;
+       struct snd_seq_event event;
+       struct snd_virmidi_dev *rdev;
+       struct snd_rawmidi_substream *substream;
+};
+
+#define SNDRV_VIRMIDI_SUBSCRIBE                (1<<0)
+#define SNDRV_VIRMIDI_USE              (1<<1)
+
+/*
+ * device record:
+ * Each virtual midi device has one device instance.  It contains
+ * common information and the linked-list of opened files, 
+ */
+struct snd_virmidi_dev {
+       struct snd_card *card;          /* associated card */
+       struct snd_rawmidi *rmidi;              /* rawmidi device */
+       int seq_mode;                   /* SNDRV_VIRMIDI_XXX */
+       int device;                     /* sequencer device */
+       int client;                     /* created/attached client */
+       int port;                       /* created/attached port */
+       unsigned int flags;             /* SNDRV_VIRMIDI_* */
+       rwlock_t filelist_lock;
+       struct list_head filelist;
+};
+
+/* sequencer mode:
+ * ATTACH = input/output events from midi device are routed to the
+ *          attached sequencer port.  sequencer port is not created
+ *          by virmidi itself.
+ *          the input to rawmidi must be processed by passing the
+ *          incoming events via snd_virmidi_receive()
+ * DISPATCH = input/output events are routed to subscribers.
+ *            sequencer port is created in virmidi.
+ */
+#define SNDRV_VIRMIDI_SEQ_NONE         0
+#define SNDRV_VIRMIDI_SEQ_ATTACH       1
+#define SNDRV_VIRMIDI_SEQ_DISPATCH     2
+
+int snd_virmidi_new(struct snd_card *card, int device, struct snd_rawmidi **rrmidi);
+
+#endif /* __SOUND_SEQ_VIRMIDI */